/Engine/Plugins/Experimental/Mutable/Source/CustomizableObject/Classes/MuCO/CustomizableInstanceLODManagement.h
This is an abstract base class, override it to create a new Instance LOD management system and register withUCustomizableObjectSystem::SetInstanceLODManagement.
[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)(Blueprintable, BlueprintType) class UCustomizableInstanceLODManagementBase : public [UObject](API\Runtime\CoreUObject\UObject\UObject)